오늘 WordPress 를 7.0.1 로 자동 업데이트 하면서
일시적인 php장애가 발생했다.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 | Jul 10 12:53:01 ubuntuA CRON[303621]: ([CENSORED]) CMD (wp cron event run --due-now --path=[CENSORED] > /dev/null 2>&1) Jul 10 12:53:18 ubuntuA kernel: [7850054.137531] show_signal_msg: 4 callbacks suppressed Jul 10 12:53:18 ubuntuA kernel: [7850054.137533] php-fpm[CENSORED][3939455]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 12:53:18 ubuntuA kernel: [7850054.137540] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 12:53:34 ubuntuA kernel: [7850070.705301] php-fpm[CENSORED][3939464]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 12:53:34 ubuntuA kernel: [7850070.705309] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 12:53:50 ubuntuA kernel: [7850086.735446] php-fpm[CENSORED][3939472]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 12:53:50 ubuntuA kernel: [7850086.735456] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 12:54:01 ubuntuA CRON[304048]: ([CENSORED]) CMD ([CENSORED]/bot_health_check.sh > /dev/null) Jul 10 12:54:01 ubuntuA CRON[304049]: ([CENSORED]) CMD (wp cron event run --due-now --path=[CENSORED] > /dev/null 2>&1) Jul 10 12:54:07 ubuntuA kernel: [7850103.742198] [UFW BLOCK] IN=eth0 OUT= MAC=01:00:5e:00:00:01:bc:fc:e7:bc:a3:b2:08:00 SRC=0.0.0.0 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0xC0 TTL=1 ID=0 DF PROTO=2 Jul 10 12:55:01 ubuntuA CRON[304476]: ([CENSORED]) CMD (wp cron event run --due-now --path=[CENSORED] > /dev/null 2>&1) Jul 10 12:55:01 ubuntuA CRON[304475]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1) Jul 10 12:55:01 ubuntuA CRON[304477]: ([CENSORED]) CMD ([CENSORED]/bot_health_check.sh > /dev/null) Jul 10 12:55:27 ubuntuA kernel: [7850183.866871] php-fpm[CENSORED][3939461]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 12:55:27 ubuntuA kernel: [7850183.866880] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 12:55:36 ubuntuA kernel: [7850192.505012] php-fpm[CENSORED][3939458]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 12:55:36 ubuntuA kernel: [7850192.505020] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 12:55:49 ubuntuA kernel: [7850205.544623] php-fpm[CENSORED][3939453]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 12:55:49 ubuntuA kernel: [7850205.544633] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 12:55:50 ubuntuA kernel: [7850206.293678] php-fpm[CENSORED][3939454]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 12:55:50 ubuntuA kernel: [7850206.293687] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 12:56:01 ubuntuA CRON[304901]: ([CENSORED]) CMD ([CENSORED]/bot_health_check.sh > /dev/null) Jul 10 12:56:01 ubuntuA CRON[304902]: ([CENSORED]) CMD (wp cron event run --due-now --path=[CENSORED] > /dev/null 2>&1) Jul 10 12:56:14 ubuntuA kernel: [7850230.716973] [UFW BLOCK] IN=eth0 OUT= MAC=01:00:5e:00:00:01:bc:fc:e7:bc:a3:b2:08:00 SRC=0.0.0.0 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0xC0 TTL=1 ID=0 DF PROTO=2 Jul 10 12:57:01 ubuntuA CRON[305325]: ([CENSORED]) CMD (wp cron event run --due-now --path=[CENSORED] > /dev/null 2>&1) Jul 10 12:57:01 ubuntuA CRON[305326]: ([CENSORED]) CMD ([CENSORED]/bot_health_check.sh > /dev/null) Jul 10 12:57:11 ubuntuA kernel: [7850287.129782] php-fpm[CENSORED][3939448]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 12:57:11 ubuntuA kernel: [7850287.129791] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 12:57:35 ubuntuA kernel: [7850311.752066] php-fpm[CENSORED][3939462]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 12:57:35 ubuntuA kernel: [7850311.752077] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 12:57:36 ubuntuA kernel: [7850312.708486] php-fpm[CENSORED][3956907]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 12:57:36 ubuntuA kernel: [7850312.708494] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 12:58:01 ubuntuA CRON[305751]: ([CENSORED]) CMD ([CENSORED]/bot_health_check.sh > /dev/null) Jul 10 12:58:01 ubuntuA CRON[305752]: ([CENSORED]) CMD (wp cron event run --due-now --path=[CENSORED] > /dev/null 2>&1) Jul 10 12:58:21 ubuntuA kernel: [7850357.691775] [UFW BLOCK] IN=eth0 OUT= MAC=01:00:5e:00:00:01:bc:fc:e7:bc:a3:b2:08:00 SRC=0.0.0.0 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0xC0 TTL=1 ID=0 DF PROTO=2 Jul 10 12:59:01 ubuntuA CRON[306169]: ([CENSORED]) CMD ([CENSORED]/bot_health_check.sh > /dev/null) Jul 10 12:59:01 ubuntuA CRON[306168]: ([CENSORED]) CMD (wp cron event run --due-now --path=[CENSORED] > /dev/null 2>&1) Jul 10 12:59:37 ubuntuA kernel: [7850433.695237] php-fpm[CENSORED][3939473]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 12:59:37 ubuntuA kernel: [7850433.695246] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 13:00:01 ubuntuA CRON[306593]: ([CENSORED]) CMD (wp cron event run --due-now --path=[CENSORED] > /dev/null 2>&1) Jul 10 13:00:01 ubuntuA CRON[306594]: ([CENSORED]) CMD ([CENSORED]/bot_health_check.sh > /dev/null) Jul 10 13:00:28 ubuntuA kernel: [7850484.666691] [UFW BLOCK] IN=eth0 OUT= MAC=01:00:5e:00:00:01:bc:fc:e7:bc:a3:b2:08:00 SRC=0.0.0.0 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0xC0 TTL=1 ID=0 DF PROTO=2 Jul 10 13:01:01 ubuntuA CRON[307012]: ([CENSORED]) CMD (wp cron event run --due-now --path=[CENSORED] > /dev/null 2>&1) Jul 10 13:01:01 ubuntuA CRON[307013]: ([CENSORED]) CMD ([CENSORED]/bot_health_check.sh > /dev/null) Jul 10 13:01:38 ubuntuA kernel: [7850554.696156] php-fpm[CENSORED][3956921]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 13:01:38 ubuntuA kernel: [7850554.696165] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 13:02:02 ubuntuA CRON[307435]: ([CENSORED]) CMD (wp cron event run --due-now --path=[CENSORED] > /dev/null 2>&1) Jul 10 13:02:02 ubuntuA CRON[307436]: ([CENSORED]) CMD ([CENSORED]/bot_health_check.sh > /dev/null) Jul 10 13:02:35 ubuntuA kernel: [7850611.641738] [UFW BLOCK] IN=eth0 OUT= MAC=01:00:5e:00:00:01:bc:fc:e7:bc:a3:b2:08:00 SRC=0.0.0.0 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0xC0 TTL=1 ID=0 DF PROTO=2 Jul 10 13:02:47 ubuntuA kernel: [7850623.531258] php-fpm[CENSORED][3939469]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 13:02:47 ubuntuA kernel: [7850623.531271] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 13:03:01 ubuntuA CRON[307853]: ([CENSORED]) CMD (wp cron event run --due-now --path=[CENSORED] > /dev/null 2>&1) Jul 10 13:03:01 ubuntuA CRON[307854]: ([CENSORED]) CMD ([CENSORED]/bot_health_check.sh > /dev/null) Jul 10 13:03:16 ubuntuA snapd[4046409]: storehelpers.go:919: cannot refresh: snap has no updates available: "core20", "lxd", "snapd" Jul 10 13:03:39 ubuntuA kernel: [7850675.766767] php-fpm[CENSORED][3939467]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 13:03:39 ubuntuA kernel: [7850675.766805] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 13:04:01 ubuntuA CRON[308275]: ([CENSORED]) CMD ([CENSORED]/bot_health_check.sh > /dev/null) Jul 10 13:04:01 ubuntuA CRON[308276]: ([CENSORED]) CMD (wp cron event run --due-now --path=[CENSORED] > /dev/null 2>&1) Jul 10 13:04:42 ubuntuA kernel: [7850738.616529] [UFW BLOCK] IN=eth0 OUT= MAC=01:00:5e:00:00:01:bc:fc:e7:bc:a3:b2:08:00 SRC=0.0.0.0 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0xC0 TTL=1 ID=0 DF PROTO=2 Jul 10 13:05:01 ubuntuA CRON[308691]: ([CENSORED]) CMD ([CENSORED]/bot_health_check.sh > /dev/null) Jul 10 13:05:01 ubuntuA CRON[308690]: ([CENSORED]) CMD (wp cron event run --due-now --path=[CENSORED] > /dev/null 2>&1) Jul 10 13:05:01 ubuntuA CRON[308692]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1) Jul 10 13:05:39 ubuntuA kernel: [7850795.288162] php-fpm[CENSORED][3956936]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 13:05:39 ubuntuA kernel: [7850795.288171] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 13:05:40 ubuntuA kernel: [7850796.710267] php-fpm[CENSORED][3956935]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 13:05:40 ubuntuA kernel: [7850796.710275] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 13:06:01 ubuntuA CRON[309113]: ([CENSORED]) CMD ([CENSORED]/bot_health_check.sh > /dev/null) Jul 10 13:06:01 ubuntuA CRON[309114]: ([CENSORED]) CMD (wp cron event run --due-now --path=[CENSORED] > /dev/null 2>&1) Jul 10 13:06:44 ubuntuA kernel: [7850860.567466] php-fpm[CENSORED][3939452]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 13:06:44 ubuntuA kernel: [7850860.567474] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 13:06:45 ubuntuA kernel: [7850861.508791] php-fpm[CENSORED][3939468]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 13:06:45 ubuntuA kernel: [7850861.508801] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 13:06:49 ubuntuA kernel: [7850865.591344] [UFW BLOCK] IN=eth0 OUT= MAC=01:00:5e:00:00:01:bc:fc:e7:bc:a3:b2:08:00 SRC=0.0.0.0 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0xC0 TTL=1 ID=0 DF PROTO=2 Jul 10 13:07:01 ubuntuA CRON[309536]: ([CENSORED]) CMD (wp cron event run --due-now --path=[CENSORED] > /dev/null 2>&1) Jul 10 13:07:01 ubuntuA CRON[309537]: ([CENSORED]) CMD ([CENSORED]/bot_health_check.sh > /dev/null) Jul 10 13:07:41 ubuntuA kernel: [7850917.728910] php-fpm[CENSORED][3939470]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 13:07:41 ubuntuA kernel: [7850917.728919] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 13:08:01 ubuntuA CRON[309959]: ([CENSORED]) CMD ([CENSORED]/bot_health_check.sh > /dev/null) Jul 10 13:08:01 ubuntuA CRON[309960]: ([CENSORED]) CMD (wp cron event run --due-now --path=[CENSORED] > /dev/null 2>&1) Jul 10 13:08:56 ubuntuA kernel: [7850992.566284] [UFW BLOCK] IN=eth0 OUT= MAC=01:00:5e:00:00:01:bc:fc:e7:bc:a3:b2:08:00 SRC=0.0.0.0 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0xC0 TTL=1 ID=0 DF PROTO=2 Jul 10 13:09:01 ubuntuA CRON[310381]: (root) CMD ( [ -x /usr/lib/php/sessionclean ] && if [ ! -d /run/systemd/system ]; then /usr/lib/php/sessionclean; fi) Jul 10 13:09:01 ubuntuA CRON[310383]: ([CENSORED]) CMD ([CENSORED]/bot_health_check.sh > /dev/null) Jul 10 13:09:01 ubuntuA CRON[310382]: ([CENSORED]) CMD (wp cron event run --due-now --path=[CENSORED] > /dev/null 2>&1) Jul 10 13:09:01 ubuntuA systemd[1]: Starting Clean php session files... Jul 10 13:09:01 ubuntuA systemd[1]: phpsessionclean.service: Deactivated successfully. Jul 10 13:09:01 ubuntuA systemd[1]: Finished Clean php session files. Jul 10 13:09:42 ubuntuA kernel: [7851038.682639] php-fpm[CENSORED][3956934]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 13:09:42 ubuntuA kernel: [7851038.682647] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 13:10:01 ubuntuA CRON[310890]: ([CENSORED]) CMD (wp cron event run --due-now --path=[CENSORED] > /dev/null 2>&1) Jul 10 13:10:01 ubuntuA CRON[310889]: ([CENSORED]) CMD ([CENSORED]/bot_health_check.sh > /dev/null) Jul 10 13:10:38 ubuntuA kernel: [7851094.348665] php-fpm[CENSORED][3956922]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 13:10:38 ubuntuA kernel: [7851094.348674] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 13:10:49 ubuntuA kernel: [7851104.879570] php-fpm[CENSORED][3939466]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 13:10:49 ubuntuA kernel: [7851104.879579] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 13:10:52 ubuntuA kernel: [7851108.740782] php-fpm[CENSORED][3939447]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 13:10:52 ubuntuA kernel: [7851108.740790] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 13:11:01 ubuntuA CRON[311304]: ([CENSORED]) CMD ([CENSORED]/bot_health_check.sh > /dev/null) Jul 10 13:11:01 ubuntuA CRON[311303]: ([CENSORED]) CMD (wp cron event run --due-now --path=[CENSORED] > /dev/null 2>&1) Jul 10 13:11:03 ubuntuA kernel: [7851119.541085] [UFW BLOCK] IN=eth0 OUT= MAC=01:00:5e:00:00:01:bc:fc:e7:bc:a3:b2:08:00 SRC=0.0.0.0 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0xC0 TTL=1 ID=0 DF PROTO=2 Jul 10 13:11:16 ubuntuA kernel: [7851131.960637] php-fpm[CENSORED][3939451]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 13:11:16 ubuntuA kernel: [7851131.960646] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 13:11:43 ubuntuA kernel: [7851159.713822] php-fpm[CENSORED][3939449]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 13:11:43 ubuntuA kernel: [7851159.713832] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 13:12:01 ubuntuA CRON[311725]: ([CENSORED]) CMD (wp cron event run --due-now --path=[CENSORED] > /dev/null 2>&1) Jul 10 13:12:01 ubuntuA CRON[311726]: ([CENSORED]) CMD ([CENSORED]/bot_health_check.sh > /dev/null) Jul 10 13:13:01 ubuntuA CRON[312147]: ([CENSORED]) CMD (wp cron event run --due-now --path=[CENSORED] > /dev/null 2>&1) Jul 10 13:13:01 ubuntuA CRON[312148]: ([CENSORED]) CMD ([CENSORED]/bot_health_check.sh > /dev/null) Jul 10 13:13:10 ubuntuA kernel: [7851246.516128] [UFW BLOCK] IN=eth0 OUT= MAC=01:00:5e:00:00:01:bc:fc:e7:bc:a3:b2:08:00 SRC=0.0.0.0 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0xC0 TTL=1 ID=0 DF PROTO=2 Jul 10 13:13:44 ubuntuA kernel: [7851280.665467] php-fpm[CENSORED][3939457]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 13:13:44 ubuntuA kernel: [7851280.665474] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 13:13:56 ubuntuA kernel: [7851291.965553] php-fpm[CENSORED][3939460]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 13:13:56 ubuntuA kernel: [7851291.965561] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 13:14:01 ubuntuA CRON[312574]: ([CENSORED]) CMD (wp cron event run --due-now --path=[CENSORED] > /dev/null 2>&1) Jul 10 13:14:01 ubuntuA CRON[312575]: ([CENSORED]) CMD ([CENSORED]/bot_health_check.sh > /dev/null) Jul 10 13:14:06 ubuntuA kernel: [7851302.836611] php-fpm[CENSORED][3939471]: segfault at 18 ip 000055b7aa4ecd95 sp 00007ffd024d9ca0 error 4 in php-fpm[CENSORED][55b7aa21f000+348000] Jul 10 13:14:06 ubuntuA kernel: [7851302.836620] Code: c1 89 50 08 f2 0f 59 c1 f2 0f 11 00 4c 89 f8 4d 8d 7f 20 ff 60 20 f3 0f 1e fa 49 8b 46 08 41 8b 57 0c 4d 63 67 10 4d 03 66 08 <48> 8b 40 18 8d 4c 12 06 8b 00 d3 e8 a8 03 0f 85 8e 10 00 00 49 63 Jul 10 13:14:26 ubuntuA systemd[1]: Stopping The PHP [CENSORED] FastCGI Process Manager... Jul 10 13:14:26 ubuntuA systemd[1]: php[CENSORED]-fpm.service: Deactivated successfully. Jul 10 13:14:26 ubuntuA systemd[1]: Stopped The PHP [CENSORED] FastCGI Process Manager. Jul 10 13:14:26 ubuntuA systemd[1]: php[CENSORED]-fpm.service: Consumed 20min 31.840s CPU time. Jul 10 13:14:26 ubuntuA systemd[1]: Starting The PHP [CENSORED] FastCGI Process Manager... Jul 10 13:14:26 ubuntuA systemd[1]: Started The PHP [CENSORED] FastCGI Process Manager. |
정황상 WordPress Core 업데이트와 wp cli간 Race Condition으로 인해 OPCache 가 잘못된 JIT 처리가 되어서 발생한걸로 추정하고 있다.
일단 메모리 값이 동일한 주소에서 지속적인 SIGSEGV를 발생시키는 것으로 보아 겹치면서 발생했던 장애로 추정 되고 있다.
일단은 임시방편으로 php fpm 을 재기동 하고 wp cron 돌릴 때 .maintenance가 있는지를 판단해서 있다면 skip 하여 업데이트시 Race Condition을 막는 요소로
스크립트 실행을 하도록 코드를 변경했다.
OPCache 를 꺼야될지.. 다른 방식으로 업데이트 시 마다 php restart 를 시켜야될지 정보가 사실 많이 없는데다가
운영환경에 장애상황을 계속 방치하고 Core Dump 분석하기엔 리스크가 크기 때문에
나중에 비슷한 장애가 발생하면
Core Dump를 뜬 상태로 분석이 필요할 것으로 보인다.
PHP를 사용하는 WordPress 특성상 성능 개선을 위해 OPCache를 사용중인데 이로인한 장애가 지속적으로 발생하면
끄고 동작시켜야할 것 같다는 생각이 많이 들긴 한다.